This 11th century tower is said to be the oldest building in Oxford.

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.

An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

A medieval, mosaic-lined baptistry built by a heretical Christian sect.

The roof of this ancient mausoleum is made from a single Istrian stone weighing a massive 230 tons.

Many famous English poets including Elizabeth Barrett Browning are laid to rest at this Swiss-owned cemetery in Florence.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

Beautiful views and Roman-style statues on the Italian coast.

An amazing collection of wax anatomical models and terratological models.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Italian cave with exceptional acoustics and an unsavory history.

Erotic art covers the walls of the largest ancient pleasure palace.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Pilgrimage site for star-crossed lovers.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Thousands of well-dressed mummies below a monastery.